//
//  NSDictionary+Ext.h
//  Psd
//
//  Created by leirz on 14-9-11.
//  Copyright (c) 2014年 psd. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSDictionary (EXT)

- (NSString *)stringForKey:(id)aKey;

- (NSInteger)integerForKey:(id)aKey;

- (BOOL)boolForKey:(id)aKey;

//类型识别:将所有的NSNull类型转化成@""
+(id)changeType:(id)myObj;

@end
